Process for the production of carbonate esters

Details Process for the production of carbonate esters Process for the production of carbonate esters

1989-08-25

1993-02-02

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbonate esters

C07C 6900

Patent

active

051839180

ABSTRACT:
The invention relates to a process of producing carbonate esters wherein an alkyl chloroformate is reacted with a phenolsulfonate in an alkaline medium and discloses the improvement whereby dialkylcarbonate formation is reduced by adding an acidifying agent to the reaction mixture after the reaction and before precipitation of the alkylsulfophenyl carbonate.

REFERENCES:
patent: 2837555 (1958-06-01), Lee
patent: 3017424 (1962-01-01), Meyer et al.
patent: 3030335 (1962-04-01), Goldberg
patent: 3240796 (1966-03-01), Thoma et al.
patent: 3256198 (1966-06-01), Matzner
patent: 3272750 (1966-09-01), Chase
patent: 3275674 (1966-09-01), Bottenbruch et al.
patent: 4681592 (1987-07-01), Hardy et al.

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